Insulator-bracket.



C. G. ETTE.

INSULATOR BRACKET.

APPLICATION FILED MAR-1. 1915.

1 1 76, 1 3'7, Patented Mar. 21, 1916.

2 SHEETSSHEET I.

Q. G. ETTE. msumoa BRACKET.

APPLICATION HLED MAR. 1. I915.

1,176,1 37. r Patented Mar. 21, 1916.

2 SHEETS-SHEET 2.

.a citizen of the I base portion of UNITED STATES PATENT o moE.

CHARLES G. ETTE, OF ST. LOUIS, MISSOURI, ASSIGNOB TO ST. LOUIS KALLEABLE cas'rms COMPANY, or sr. LOUIS, mssounr,

A CORPORATION OF MISSOURI.

INSU'LATOBrBBAGKI-T.

Toall whom it may concern.-

Be it known that I. CrrARLEsG. E'rrn, United States, residing at St. Louis, Missouri, have invented a certain new and useful Improvement in Insulator- Brackets, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to cast metal insulator brackets of the type which compr se va base or connecting portion provided with a forwardly pro ectin'g, upturned arm on which the insulator is mounted.

Prior to my invention insulator brackets of the type mentioned were cast in one piece, the base portion and the forwardly rojecting, upturned arm being integral y connected together. Owing to the angular shape of the insulator supporting arm and the angular arrangement of said arm on the the bracket, it'was difiicult to manufacture insulator and expensive from malleable iron.

brackets of this type Furthermore, the fasteningdevice slots or openings in the base portion had to be drilled or punched in same by a separate operation, after the casting was i'emove from the mold. Consequently, the cost of such devices was exceptionally high in comparison with the cost of other malleable iron castings of less complicated design.

The main object of my present invention is to provide a cast metal insulator bracket that is just as efficient as the ones heretofore in use, and which is so designed that it can be manufactured at a much lower cost.

Briefly described, my invention consists of an insulator bracket that comprises a cast metal base portion and a cast metal m- Specification of Letters Patent.

,base portion A the operation of taken on the line 4-4 Patented Mar. 21, 1916.

Application filed larch 1, 1915. Serial No. 11,821.

of insulator supporting arms. Fig. 6 is a front elevational view of a wall bracket, in which the baseportion is so designed that the insulator carrying arm will be located some distance away from the wall. Fig. 7

a top plan view of the bracket shown in Fig. 6. .Fig. 8. is a front elevational view of a corner bracket provided with a plurality o f insulator supporting arms; an

Fig. 9 IS a top plan view of the bracket shown in "Fig. 8.

In Figs. 1 to 4 of the drawings I have illustrated a wall bracket constructed in accordance with my invention, in which the reference character A designates the base or connecting ortion of the bracket which is flat or of p ate form, and B designates the insular carrying portion of the bracket which consists of a forwardly projecting, upturned arm provided either with an integral Or a removable head. or portion which an insulator can be arranged. The and the insulator carrying portion B both consist of malleable iron castings, vided with a wedge-shaped portion that fits in a tapered socket or guide-way in the other member.

In the form of my invention illustrated in Figs. 1 to 4 the insulator carrying armv B lon 4 and one of said members is proof the bracket is provided'at its inner end ing securely connected together when the bracket is in service, as the pulls and strains to which the member B is subjected and the weight that it sustains tends to force the interlocking parts on the members A and B into snug engagement with each other. If desired, however, one member of the bracket may be provided with a portion that is adapted to be bent into engagement with the other member of the bracket, so as to prevent said members from becoming separated.

In the form shown in Figs. 1 to 4 the wedge-shaped portion 2 at the inner end of the arm B 'is provided with an 'integral tongue=or reduced extension 4 t at is adaptrecess?) in the provided with integral coofirating devices thus eliminating wedge-shaped portion 2 moving upwardly out of its cooperating socket or guide-way in the base portion A; lVhile I prefer to make the interlocking parts on the two members of the bracket wedge-shaped or of tapered form, this isnot absolutely-essential,

as my broad idea consists in an insulator bracket comprising a cast metal base portion and a cast-metal insulator carrying portion by which said portions chn securely held together after the insulator supporting portion has been mounted in operative position on the base portion ofthe bracket. The baseportion Av provided with openings for fastening devices 6, said fastening device openingsbeing formed in the base portion during the operation of casting drillingor punching holes same, and thus overcoming the necessity of in the base portion by a separate operation. The wedge shaped part. 2 at the innerend of the insulatorcarrying. arm- B'bears firmly against .thefront face of the base portion A, and

. the forwardly projecting flanges orguides 3 Q on said base. portion. which embrace the curely as if the members A and B p with a hammer, so as arms 13.

wedge-shaped part 2 hold the insulator carrying armin operative position as v were 1nteg fl yconnected to ther.

By forminglthe twg parts A and B ofthe bracket separate and thereaiten'connect n them together, I am able to manufacture an of same consists of a simple "n "a a that can be manufactured cheaply without liability: of its being spoiled in the cg operahon and the. fasg device Z'II a in the base portion can formed in same during the casting operation. -The two parts of the bracket can be ambled ouicklyby simply slipping vthe wedgeshaped. porhon 2 into the socket or guide-way on the base portion and therear I the tongue ta blow to securely lock the parts A and B together. D hp The bracket shown in Fig. 5 emes the same features and charac fa of the one illustrated in Figs. 1 to h'bnt'it has a relatirely long base portion A. that can be providedwith two or moresockets or de ways for iving cooper-a a interloc parts on two or more ator Ht e bracket shown in h and 7 is so designed that it will hold an insulator at some distance away fiom a wall or support ing structure, and it-comprises a a portion' A formed by two :1 r 1-": di arms; each of which is provided at its outer end with a flange 7 ha fastening device openings 8 formed mid flanges 7 10 at the sell the bracket at a low cost, as each part -erably in e form i being disposed at an angle to the inclined arms on which they are mounted, so that I they will bear firmly upon a wall or other vertical supporting structure. At the outer ends of said inclined arms is a tapered socketor guide-way 9 for receiving a wedge-shaped 1 part 2 on the inner vend of the insulator carrying member B, said wedge-shaped part 2 being securely held in said socket either in the manner illustrated in Fig.v 1 or by of one or more lugs 10 at the upper end of the socket or guide-way, which are adapted to be bent over (1% the wedgeshaped part2, as shown in The bracket illustrated inFigs. 8, and 9 is designed for use I or other supporting structure, and it is provided with two base portions A that are detachably connected to a vertically disposed shank 11 that has two or more integral in sulator supporting members B of similar design, to those previously mentioned. Each of the base portions A comprises a pair of angularly disposed arms whose outer ends are integrally connected to a soket or tapered guidewayQsimilar to that of the bracket shown in Figs. 6 and 7, and said on the cornerof a building the upper edge shank llis provided wedge-shaped portions 2* that fit sn'uglyin the tapered "guideways 9 in the base portions A of the bracket. Various means for locking the shank 1'1 securely to the vbase portions A, trated for this purpose consisting of lugs upper ends of the guide-ways 9* the means herein illus-.

may be employed that are adapted to be bent laterally over the upper of the wed e-shaped porons 2?, on the 11, as iri dica'ted clearly by broken lines and lines in Fig. 8.

The angularl 4E. Joe-'1; arms of the base portions A y against the support ing strucas shown in Fig. 9, and they are securely connected thereto by fastening devicesfbthat pass through openings 12 in said arms. Certain of the openings 12 in the base portions A of elongated slots,so as to facilitate aching the bracket to a brick, concrete or stone supporting structure in which the fastening: deviceshave to be secured to the sup bracket is applied, theelongated holes inthe of the bracket are prefp0 structure before the base portions A mafing it possible to mount the bracket easily, even though the fastendevices in the supporting structure are the holes 12. a

it will, of course, be understood that the terms of my invention herein illustrated are typesofinsu.-

only a few of the nerous 'latorbrackets that can he made in accordance with my invention. Therefore, i wish it to beunde that plicable to any of insulator bracket in not set'absolutely in line with the centers of v my invention is ap- V portions for connecting which the insulator carrying portion projects forwardly from and is arranged at an angle to the base portion that is connected to the supporting structure, the particular type or form of the base portion and the insulator carrying portion and the particular type of interlocking device used" on these themtogether being immaterial, so far as my broad idea is concerned.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is: V

1. An insulator bracket, comprising a base portion, an insulator portion, cooperating interlocking elements on said portions, and a device on one of said portions that is adapted to be bent into engagement with the other portion so as to securely lock both portions together. p

2-. An insulator bracket, comprising a cast metal base portion, a cast metal insulator carrying portion, a wedge-shaped part on one of said port-ions, a tapered guide-way in the other portion for receiving said wedge- -shaped part, and a device on one of said portions that is adapted to be bent into engagement with the other portion so as to prevent said wedge-shaped part from moving out of said guideway.

3. An' insulator bracket, comprising a base portion, an angularly shaped insulator carrying portion that projects forwardly from said base portion, both of said portions consisting of separate castings, an integral tapered guideway on one of said portions, an

integra'l wedge-shaped device on the other portion that fits in said guide-way, and means on said portionsthat cooperate to lock said portions together.

4. An insulatorbracket,comprising a base that fits in a tapered guide-way formed integral with the other portion, and a part on one of said portions that'is adapted to be bent into such a position that said wedgeshaped part cannot move accidentally out of said guide-way.

5. An insulator bracket, comprising a base portion formed of malleable iron. and provided with an integral, tapered guide-way, a malleable iron insulator carrying portion consisting of an angularly shaped arm, an integral wedge at the inner end of said arm that is adapted to fit in the tapered guideway in said base portion, and a part on one of said portions that is adapted to be bent into such a position that said wedge-shaped part cannot move out of said guide-way.

6. An insulator bracket, comprising a base portion formed of malleable iron and provided with an integral, tapered guide-way, a malleable iron insulator carrying portion consisting of an angularly shaped arm, an integral wedge at the inner end of said arm that is adapted to fit in the tapered guideway in said base portion, and a tongue on therlower end of said wedge that is adapted to be bent into a recess or opening formed in said base portion.

In testimony whereof I hereunto affix my signature in the presence of two witnesses, this twenty sixth day of February 1915.

CHARLES G. ETTE.

Witnesses:

WILLIAM L. SCHROEDER,

WALTER C. RAITHEL. 

